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1 #!/usr/bin/env python
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2
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3 # The MIT License
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4 #
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5 # Copyright (c) 2010 Louis Opter <kalessin@kalessin.fr>
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6 #
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7 # Permission is hereby granted, free of charge, to any person obtaining a copy
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8 # of this software and associated documentation files (the "Software"), to deal
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9 # in the Software without restriction, including without limitation the rights
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10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 # copies of the Software, and to permit persons to whom the Software is
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12 # furnished to do so, subject to the following conditions:
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13 #
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14 # The above copyright notice and this permission notice shall be included in
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15 # all copies or substantial portions of the Software.
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16 #
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17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 # THE SOFTWARE.
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24
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25 import errno
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26 import os
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27 import shutil
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28 import subprocess
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29 import sys
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30 import tarfile
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31 import tempfile
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32
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33 class TempDir(object):
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34 """Wrap tempfile.mkdtemp to use the with statement"""
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35
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36 def __init__(self):
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37 pass
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38
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39 def __enter__(self):
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40 self.__path = tempfile.mkdtemp()
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41 return self.__path
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42
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43 def __exit__(self, exc_type, exc_value, traceback):
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44 shutil.rmtree(self.__path)
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45
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46 def status(message):
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47 print '%s: %s.' % (os.path.basename(sys.argv[0]), message)
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48
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49 def die(message):
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50 status(message)
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51 status('a log has been recorded in %s' % log_path)
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52 sys.exit(1)
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53
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54 def hotcopy_repo():
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55 """Use trac-admin to hotcopy the trac environnement into `root'"""
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56
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57 dest = os.path.join(root, name)
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58 if subprocess.call(['sudo', 'trac-admin', trac_env_root, 'hotcopy', dest],
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59 stdout=log, stderr=log) != 0:
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60 die('error while copying the Trac environnement into a temporary directory')
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61
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62 subprocess.call(['sudo', 'chown', '-R', 'ubuntu:ubuntu', dest])
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63
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64 status('Trac environnement copied')
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65
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66 def archive_repo():
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67 """Create a tar bzipped archive of the trac environnement"""
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68
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69 try:
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70 archive = tarfile.open(os.path.join(root, archive_name), 'w:bz2')
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71 archive.add(os.path.join(root, name), 'backup-tracenv-%s' % name)
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72 archive.close()
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73 except tarfile.TarError, ex:
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74 die('Can\'t create the tar archive %s: %s' % (archive_name, str(ex)))
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75
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76 status('Archive %s created' % archive_name)
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77
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78 def send_repo():
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79 """Send the tar to archive using scp"""
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80
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81 dest = sys.argv[2]
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82 archive = os.path.join(root, archive_name)
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83 if subprocess.call(['scp', archive, dest]) != 0:
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84 die('error while scpying %s to %s' % (archive_name, dest))
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85
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86 status('Archive %s copied to "%s"' % (archive_name, dest))
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87
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88 if __name__ == '__main__':
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89 if len(sys.argv) != 3 or sys.argv[1] == '--help':
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90 print 'Usage: %s project-name [[user@]host:]path' % os.path.basename(sys.argv[0])
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91 sys.exit(0)
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92
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93 # globals
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94 name = sys.argv[1]
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95 archive_name = 'backup-tracenv-%s.tar.bz2' % name
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96 log_path = os.path.join(os.getenv('TMP') or '/tmp/', name + '.log')
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97 trac_env_root = os.path.join('/var/trac/envs/', name)
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98
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99 if not os.path.exists(trac_env_root):
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100 status('%s: %s' % (name, os.strerror(errno.ENOENT)))
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101 sys.exit(1)
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102
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103 with open(log_path, 'w') as log:
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104 with TempDir() as root:
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105 status('root=%s' % root)
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106 hotcopy_repo()
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107 archive_repo()
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108 send_repo()
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109 os.remove(log_path)
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110
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111 sys.exit(0)
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